PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

9978054Insert,screw Thread

Us Army Aviation and Missile Command · NSN 5325-00-899-1375 · FSC 5325 · No Item Name Available
Verified by PartsTable
NSN 5325-00-899-1375 — this item is cataloged by the U.S. Government under National Stock Number 5325-00-899-1375. Primary manufacturer part number: 9978054.
Features
  • Insert,screw Thread — FSC 5325
  • Top Unthreaded Portion Outside Diameter: 0.338 INCHES MINIMUM AND 0.343 INCHES MAXIMUM IN
  • Width Across Flats: 0.331 INCHES MINIMUM AND 0.334 INCHES MAXIMUM IN
  • Style Designator: KEYLOCK
  • Material: STEEL COMP 1117 OVERALL
  • Surface Treatment: CADMIUM OVERALL
  • Material Document and Classification: QQ-S-633,COND ANNEALED-CANCELED FED SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Top Portion Unthreaded Outside Length: 0.052 INCHES MINIMUM AND 0.057 INCHES MAXIMUM IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 1117 Overall construction
General Description

The Insert,screw Thread, cataloged under National Stock Number 5325-00-899-1375, is classified within Federal Supply Class 5325 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Us Army Aviation and Missile Command. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5325-00-899-1375
Primary Part Number9978054
Item NameInsert,screw Thread
FSC / FSG5325 / 53 — No Item Name Available
ManufacturerUs Army Aviation and Missile Command
StatusACTIVE
Top Unthreaded Portion Outside Diameter0.338 INCHES MINIMUM AND 0.343 INCHES MAXIMUM IN
Width Across Flats0.331 INCHES MINIMUM AND 0.334 INCHES MAXIMUM IN
Style DesignatorKEYLOCK
MaterialSTEEL COMP 1117 OVERALL
Surface TreatmentCADMIUM OVERALL
Material Document and ClassificationQQ-S-633,COND ANNEALED-CANCELED FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Top Portion Unthreaded Outside Length0.052 INCHES MINIMUM AND 0.057 INCHES MAXIMUM IN
Length0.422 INCHES MINIMUM AND 0.452 INCHES MAXIMUM IN
Insert Size0.438-14 UNC 3A A
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5315-00-044-314610327 INTERCHANGEABLE
Pin,grooved,headless
Eaton Aerospace, Llc Dba Jackson South
3020-00-351-782014717 INTERCHANGEABLE
Gear,helical
Viz Manufacturing Company
6520-01-049-042214717 INTERCHANGEABLE
Bur,dental,excavating
Ss White Burs Llc
5315-01-148-185299114717 INTERCHANGEABLE
Pin,lever
Alfa Laval Inc
5315-01-176-082114717 INTERCHANGEABLE
Pin,straight,headless
Eaton Aerospace, Llc Dba Jackson South
6530-01-578-714318 GAL SHARPS CONTAINER INTERCHANGEABLE
Disposal Container,hypodermic Ne
Centers for Disease Control and Prevention Dba Cdc
Cross-Reference Index
Part NumberManufacturer
9978054 PRIMARY Us Army Aviation and Missile Command (USA)
931A-4CS0437 Stanley Engineered Fastening Llc (USA)
147-1-7 Stanley Engineered Fastening Llc (USA)
Related Parts
5315-00-044-3146INTERCHANGEABLE
PIN,GROOVED,HEADLESS
10327
3020-00-351-7820INTERCHANGEABLE
GEAR,HELICAL
14717
6520-01-049-0422INTERCHANGEABLE
BUR,DENTAL,EXCAVATING
14717
5315-01-148-1852INTERCHANGEABLE
PIN,LEVER
99114717
5315-01-176-0821INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
14717
6530-01-578-7143INTERCHANGEABLE
DISPOSAL CONTAINER,HYPODERMIC NE
18 GAL SHARPS CONTAINER

Frequently Asked Questions

What is NSN 5325-00-899-1375?

NSN 5325-00-899-1375 is a Insert,screw Thread, manufactured by Us Army Aviation and Missile Command, classified under FSC 5325 (No Item Name Available). Status: active.

What are the part numbers for NSN 5325-00-899-1375?

NSN 5325-00-899-1375 has 3 cross-referenced part numbers: 9978054 (Us Army Aviation and Missile Command), 931A-4CS0437 (Stanley Engineered Fastening Llc), 147-1-7 (Stanley Engineered Fastening Llc).

What NSN replaces 5325-00-899-1375?

There are 6 known substitutes for 5325-00-899-1375: 5315-00-044-3146, 3020-00-351-7820, 6520-01-049-0422 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 9978054?

Key specifications for 9978054: Top Unthreaded Portion Outside Diameter: 0.338 INCHES MINIMUM AND 0.343 INCHES MAXIMUM IN; Width Across Flats: 0.331 INCHES MINIMUM AND 0.334 INCHES MAXIMUM IN; Style Designator: KEYLOCK; Material: STEEL COMP 1117 OVERALL. 9 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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